
Blog
Exercise is Fertilizer for the Brain | Dr. David Merrill – Flashback Episode
by Anthony Effinger
Exercise doesn’t just strengthen your body—it powers up your brain too. Dr. David Merrill, director of PNI’s Brain Health Center, explains that physical activity boosts brain-derived neurotrophic factor (BDNF), a protein that helps neurons grow and connect, supporting learning and memory. While BDNF isn’t available in a pill, exercise naturally increases its levels, promoting brain plasticity and resilience. Regular workouts keep your brain sharp and adaptable, especially as you age.
Celebrating Excellence: Dr. Walavan Sivakumar Named Philanthropy Physician Champion 2024
by Robin Banuelos
We are thrilled to honor Walavan Sivakumar, MD, a neurosurgeon whose passion and expertise have earned him the prestigious title of Providence Philanthropy South Division's Philanthropy Physician Champion 2024.
Last updated: April 24th, 2025